KnowraClyde TombaughLinked fromLinked fromThe 8 pages that link to Clyde Tombaugh, each with the reason it gives.All 8Broader topic 1Related 6Compared with 1PlutoRelated: His photographic search identified Pluto after years of predictions and unsuccessful searches.Dwarf planetRelated: His discovery created the classification problem that the dwarf-planet category later addressed.Percival LowellBroader topic: Tombaugh fulfilled the observatory’s search for a distant planet, begun under Lowell’s influence.Palomar ObservatoryRelated: Tombaugh later used Palomar’s 48-inch Schmidt telescope to search for near-Earth asteroids.IAU definition of planetRelated: Pluto’s original discovery began its long classification as the Solar System’s ninth planet.Discovery and exploration of the Solar SystemRelated: His systematic plate search converted a predicted outer-planet hunt into a discovery.Jane LuuCompared with: Tombaugh's discovery of Pluto preceded Luu's identification of a small body beyond it by six decades.Planets beyond NeptuneRelated: The search for a predicted distant planet led to the discovery of Pluto, not the sought perturbing world.